Closest seats at the February 1974 general election

The smallest winning majorities in UK general elections since 1918, in votes and as a share of the vote.

#	Constituency	Winner	Runner-up	Majority	%
1	Carmarthen	Lab	PC	3	0.01
2	Bodmin	Lib	Con	9	0.02
3	Peterborough	Con	Lab	22	0.04
4	Sowerby	Lab	Con	115	0.29
5	Nelson and Colne	Con	Lab	177	0.44
6	Northampton South	Con	Lab	179	0.50
7	Hemel Hempstead	Con	Lab	187	0.26
8	Stockport North	Lab	Con	203	0.47
9	Preston North	Lab	Con	255	0.63
10	Ipswich	Con	Lab	259	0.36
11	Ilford North	Con	Lab	285	0.55
12	Portsmouth North	Lab	Con	320	0.59
13	Bury and Radcliffe	Con	Lab	345	0.56
14	Aldridge-Brownhills	Lab	Con	366	0.72
15	Chorley	Lab	Con	405	0.64
16	Plymouth Devonport	Lab	Con	437	1.17
17	Berwick-upon-Tweed	Lib	Con	443	1.25
18	Coventry South West	Lab	Con	513	0.90
19	Middleton and Prestwick	Lab	Con	517	0.85
20	Berwick and East Lothian	Con	Lab	540	1.10
21	Glasgow Govan	Lab	SNP	543	2.27
22	Merioneth	PC	Lab	588	2.60
23	Bolton West	Con	Lab	603	1.48
24	Huddersfield West	Lab	Con	630	1.43
25	Bristol North West	Con	Lab	650	1.20
26	Norwich South	Lab	Con	652	1.75
27	Liverpool Garston	Lab	Con	681	1.14
28	Loughborough	Lab	Con	697	1.19
29	Colne Valley	Lib	Lab	719	1.38
30	Edinburgh Leith	Lab	Con	721	2.32
31	Brentford and Isleworth	Con	Lab	726	1.30
32	Rossendale	Con	Lab	797	1.91
33	Norfolk North West	Con	Lab	803	1.22
34	Oxford	Con	Lab	821	1.36
35	York	Lab	Con	831	1.31
36	Rochester and Chatham	Con	Lab	843	1.34
37	Paddington	Lab	Con	872	2.17
38	Keighley	Lab	Con	878	1.97
39	Edinburgh Central	Lab	Con	961	3.20
40	Upminster	Con	Lab	1,008	1.92
41	Northampton North	Lab	Con	1,033	2.58
42	Ilford South	Lab	Con	1,143	2.66
43	Newbury	Con	Lib	1,201	2.07
44	Derby North	Lab	Con	1,293	2.00
45	Lincoln	Oth	Lab	1,293	3.11
46	Croydon Central	Con	Lab	1,314	2.49
47	Southampton Test	Con	Lab	1,403	2.42
48	Leicester East	Lab	Con	1,413	2.87
49	Welwyn and Hatfield	Con	Lab	1,415	2.50
50	Luton East	Lab	Con	1,425	3.34

Single-member seats with a recorded contest. Percentages are of valid votes.

Official results House of Commons Library and UK Parliament election results data. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. How we use this data